Portable barbecue



FIG. 1 is a perspective view of a portable barbecue showing my _new design.

FIG. 2 is a side elevational view of the portable barbecue, the _opposite side elevational view being a mirror image thereof.

FIG. 3 is a top plan view thereof.

FIG. 4 is a front elevational view of the portable barbecue.

FIG. 5 is a rear elevational view thereof.

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a portable barbecue, substantially as shown and described. 